package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.entity.Category;
import com.itheima.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@Slf4j
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 添加 菜品、套餐 分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        categoryService.save(category);
        log.info("添加{}成功",category.getName());
        return R.success("添加成功");
    }

    /**
     * 分页查询菜单及套餐分类
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize) {
        //分页构造器
        Page pageInfo = new Page(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.orderByDesc(Category::getSort);
        categoryService.page(pageInfo,lambdaQueryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据id删除分类
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(long id) {
        categoryService.remove(id);
        return R.success("删除成功");
    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category) {
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        LambdaQueryWrapper<Category> categoryLambdaQueryWrapper = new LambdaQueryWrapper<>();
        categoryLambdaQueryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        categoryLambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(categoryLambdaQueryWrapper);
        return R.success(list);
    }
}
